<template>
  <el-upload
    class="avatar-uploader"
    action="http://111.67.198.176:8111/admin/file/upload/element"
    :show-file-list="false"
    :on-success="handleAvatarSuccess"
    :before-upload="beforeAvatarUpload"
    :headers="headers"
  >
    <img
      v-if="imageUrl || props.img"
      :src="imageUrl ? imageUrl : url + props.img"
      class="avatar"
    />

    <i v-else class="el-icon-plus avatar-uploader-icon"></i>
  </el-upload>
</template>

<script lang="ts" setup>
import { ref, watch } from "vue";
import { defineEmits, defineProps, toRefs, computed } from "vue";
const emit = defineEmits(["tupianUrl"]);
const props = defineProps(["img"]);

const headers = { Authorization: localStorage.getItem("token") };
let imageUrl: any = ref("");
const url = ref("https://assets.yiluxdeng.com/");
const handleAvatarSuccess = (res, file) => {
  imageUrl.value = URL.createObjectURL(file.raw);
  console.log(file.raw);
  console.log(props.img);

  emit("tupianUrl", file.response);
};
// 监听数据
watch(imageUrl, (a, b) => {});
const a: any = computed(() => {
  return imageUrl;
});
console.log(a);
const beforeAvatarUpload = (file) => {
  //   const isJPG = file.type === "image/jpeg";
  const isLt2M = file.size / 1024 / 1024 < 2;

  //   if (!isJPG) {
  //     this.$message.error("上传头像图片只能是 JPG 格式!");
  //   }
  if (!isLt2M) {
    alert("图片太大了");
  }
  //   return isJPG && isLt2M;
  return isLt2M;
};
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>


